Finding the Fourth Proportional to 32,403,632.82, 44,695,943.19 and 20,782,789.62
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Solution
The fourth proportional to 32,403,632.82, 44,695,943.19 and 20,782,789.62 is: 28,666,735.90
Step by Step Solution
- Step 1: Write the proportion equation
32,403,632.82 : 44,695,943.19 = 20,782,789.62 : x - Step 2: Convert to fraction form
32,403,632.82/44,695,943.19 = 20,782,789.62/x - Step 3: Cross multiply
32,403,632.82x = 44,695,943.19 × 20,782,789.62 - Step 4: Simplify right side
32,403,632.82x = 928,906,384,185,241.62 - Step 5: Solve for x
x = 928,906,384,185,241.62/32,403,632.82 - Step 6: Final answer
x = 28,666,735.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.